Every day, a factory making books sends 1799 books to the town market and 3781 books to markets in other states. We know that a little more than 653 books are remaining in the factory. If we know that the factory makes a perfect square number of books every day, what is the smallest possible number of books remaining in the factory?

A square park has an area of 2500 sq. m. It has to be fenced. The fencing will require use of a wire that must be able to enclose the park 4 times, and each circuit of the wire would be 5 % greater than the perimeter of the park. What is the length of wire (in metres) needed for this?

It takes machine M, x hours to manufacture a deck of cards that machine N can manufacture in y hours. If machine M operates alone for z hours and is then joined by machine N until 60 decks are finished, for how long will the two machines operate simultaneously?

A bus is travelling with uniform speed in one direction. Following graph shows its position (in km) at two time points. Find its position at 20 minutes.

Tom drove 2 hours longer than Jessie at an average speed 4 kilometers per hour faster than Jessie. Chloe drove 6 hours longer than Jessie at an average speed 12 kilometers per hour faster than Jessie. If Tom drove 70 kilometers more than Jessie, then how many more kilometers did Chloe drive than Jessie?

Radius of two circle wheel shown are 35 cm and 10 cm. Wheels are connected as gear so they rotate with each other. If first wheel makes 100 revolutions, find number of revolutions for second wheel.